The Nephilim were on the earth in those days (and also after this) when the sons of God were having sexual relations with the daughters of humankind, who gave birth to their children. They were the mighty heroes of old, the famous men.

He was a mighty hunter before the Lord. (That is why it is said, "Like Nimrod, a mighty hunter before the Lord.")

Abraham said to God, "O that Ishmael might live before you!"

"Listen, sir, you are a mighty prince among us! You may bury your dead in the choicest of our tombs. None of us will refuse you his tomb to prevent you from burying your dead."

So Abimelech summoned Isaac and said, "She is really your wife! Why did you say, 'She is my sister'?" Isaac replied, "Because I thought someone might kill me to get her."

Then Abimelech exclaimed, "What in the world have you done to us? One of the men might easily have had sexual relations with your wife, and you would have brought guilt on us!"

"I left secretly because I was afraid!" Jacob replied to Laban. "I thought you might take your daughters away from me by force.

Reuben, you are my firstborn, my might and the beginning of my strength, outstanding in dignity, outstanding in power.

But his bow will remain steady, and his hands will be skillful; because of the hands of the Mighty One of Jacob, because of the Shepherd, the Rock of Israel,